ICD-10-CM > S00-T88 > S40-S49 > S46 > S46.3 > S46.30 S46.30 Unspecified injury of muscle, fascia and tendon of triceps Non-Billable/Non-Specific Codes S46.301Unspecified injury of muscle, fascia and tendon of triceps, right armS46.301A..., initial encounterS46.301D..., subsequent encounterS46.301S..., sequelaS46.302Unspecified injury of muscle, fascia and tendon of triceps, left armS46.302A..., initial encounterS46.302D..., subsequent encounterS46.302S..., sequelaS46.309Unspecified injury of muscle, fascia and tendon of triceps, unspecified armS46.309A..., initial encounterS46.309D..., subsequent encounterS46.309S..., sequela